BUILD: --enable-release enables updates even on unsupported systems
|updates, sparkle, linux
Most likely due to a failing/missing check in the configure script, passing
--enable-release automatically enables the updates via (Win)Sparkle, even though the target platform might not even support this.
This leads to the update options being visible in the Misc tab of the GUI even though they're not functional as the systems don't support the update mechanism.
I'm setting this bug to HIGH as e.g. the packages distributed in Debian sid and Arch Linux are affected since they are built with